(1):
(n.) Something extraordinary, or out of the usual course of nature, from which omens are drawn; a portent; as, eclipses and meteors were anciently deemed prodigies.
(2):
(n.) A production out of ordinary course of nature; an abnormal development; a monster.
(3):
(n.) Anything so extraordinary as to excite wonder or astonishment; a marvel; as, a prodigy of learning.